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Excel vba on error goto errorhandler code#

to indicate that the word preceeding the colon is a line label.Go To Top Quick Jump Colons and Line Labels A colon can be used:

Excel vba on error goto errorhandler code#

When code Stops, press F8 to execute one statement at a time. While I am developing, I like to make the error handler go to the line that caused the problem so I can see where it is. Press F5 to continue execution automatically or at least see what the problem is press F8 to execute the next statement

then press F8 to resume with the statement that caused the problem - you can fix it!.

from the shortcut menu, choose -> Set Next Statement.

click Debug to temporary halt processing and go into the code.

press CTRL-BREAK when the message box pops up (MsgBox line executes),.

ProcedureName is the name of your Sub or Function so you can identify what code the problem is in when you see the error Go To Top Quick Jump Code Explanation The line labels do not matter (Proc_Exit:, Proc_Err:), I like to use the same ones all the time - they only have to be unique within a procedure. then your statements 'put this at the end of the procedure '~~~~~~~~~~~~~~~~~~~~~~Proc_Exit: On Error Resume Next 'release object variables if applicable- ie:' if Not rs is Nothing then' rs.close' set rs = Nothing' end if' set db = nothing Exit Sub 'or Exit Function Proc_Err: MsgBox Err.Description,, _ "ERROR " & Err.Number _ & " ProcedureName" Resume Proc_Exit 'if you want to single-step code to find error, CTRL-Break at MsgBox 'then set this to be the next statement Resume End Sub then the lines at the bottom with the Exit code and the actual error handler code – be sure to replace ProcedureName then come the statements of your procedure. (If the car breaks down, the mechanic's number to call is specified)

On Error GoTo LineLabel acts as a detour sign to tell Access what to do if an error happens.Įrror Handling Code At the top of your program, right after the procedure declaration (skip a line first for better readability), tell Access there is a plan in case of emergency. so there is an error handler (instructions for what to do)

resume with the next statement (the door you are approaching is on fire, try the next one).

if something unexpected happens - panic! Do whatever comes to your mind in the emergency. = Cancel any previous plan that might have been in place

what happens with panic?Įrror Handling Statements On Error GoTo 0 = No PlanĬancel a possible previous plan and announce to Access that you have no plan In programming, just as real life, it is usually best to have a plan in place.įor one thing, the value of global variables can be lost. the diagram of the plane and all the exits when you fly.What is an error handler? On Error Goto 0 On Error Resume Next On Error GoTo LineLabel Resume Resume Next Resume LineLabel Debug.Print "My variable = " & variable_name MsgBox "My variable = " & variable_name,"HERE" Exit Sub Exit Function Watch! 2015 Microsoft MVP Virtual Conference on Channel 9 (MSDN) for Access VBA Error Handler By Crystal strive4peace If you like my work, please donate so I can keep on sharing.